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/*
* KMix -- KDE's full featured mini mixer
*
*
* Copyright (C) 2010 Christian Esken <esken@kde.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "core/mixdevicecomposite.h"
const long MixDeviceComposite::VolMax = 10000;
MixDeviceComposite::MixDeviceComposite( Mixer* mixer, const QString& id, QList<shared_ptr<MixDevice> >& mds, const QString& name, ChannelType type ) :
MixDevice( mixer, id, name, type ) // this will use doNotRestore == true
{
setArtificial(true);
_compositePlaybackVolume = new Volume( MixDeviceComposite::VolMax, 0, true, false);
_compositePlaybackVolume->addVolumeChannel(Volume::LEFT);
_compositePlaybackVolume->addVolumeChannel(Volume::RIGHT);
QListIterator<shared_ptr<MixDevice> > it(mds);
while ( it.hasNext()) {
shared_ptr<MixDevice> md = it.next();
_mds.append(md);
}
}
MixDeviceComposite::~MixDeviceComposite()
{
while ( ! _mds.empty() ) {
_mds.removeAt(0);
}
delete _compositePlaybackVolume;
// delete _compositeCaptureVolume;
}
Volume &MixDeviceComposite::playbackVolume()
{
return (*_compositePlaybackVolume);
}
// Volume& MixDeviceComposite::captureVolume()
// {
// return *_compositeCaptureVolume;
// }
void MixDeviceComposite::update()
{
long volAvg;
volAvg = calculateVolume( Volume::PlaybackVT );
_compositePlaybackVolume->setAllVolumes(volAvg);
volAvg = calculateVolume( Volume::CaptureVT );
// _compositeCaptureVolume->setAllVolumes(volAvg);
}
long MixDeviceComposite::calculateVolume(Volume::VolumeType vt)
{
QListIterator<shared_ptr<MixDevice> > it(_mds);
long volSum = 0;
int volCount = 0;
while ( it.hasNext())
{
shared_ptr<MixDevice> md = it.next();
Volume& vol = ( vt == Volume::CaptureVT ) ? md->captureVolume() : md->playbackVolume();
if (vol.hasVolume() && (vol.maxVolume() != 0) ) {
qreal normalizedVolume =
( vol.getAvgVolumePercent(Volume::MALL) * MixDeviceComposite::VolMax )
/ vol.maxVolume();
volSum += normalizedVolume;
++volCount;
}
}
if ( volCount == 0 )
return 0;
else
return (volSum/volCount);
}
bool MixDeviceComposite::isMuted() const
{
bool isMuted = false;
QListIterator<shared_ptr<MixDevice> > it(_mds);
while ( it.hasNext()) {
shared_ptr<MixDevice> md = it.next();
isMuted |= md->isMuted();
if ( isMuted ) break; // Enough. It can't get more true :-)
}
return isMuted;
}
void MixDeviceComposite::setMuted(bool value)
{
QListIterator<shared_ptr<MixDevice> > it(_mds);
while ( it.hasNext()) {
shared_ptr<MixDevice> md = it.next();
md->setMuted(value);
}
}
bool MixDeviceComposite::isRecSource() const
{
bool isRecSource = false;
QListIterator<shared_ptr<MixDevice> > it(_mds);
while ( it.hasNext()) {
shared_ptr<MixDevice> md = it.next();
isRecSource |= md->isRecSource();
if ( isRecSource ) break; // Enough. It can't get more true :-)
}
return isRecSource;
}
void MixDeviceComposite::setRecSource(bool value)
{
QListIterator<shared_ptr<MixDevice> > it(_mds);
while ( it.hasNext()) {
shared_ptr<MixDevice> md = it.next();
md->setRecSource(value);
}
}
bool MixDeviceComposite::isEnum() const
{
bool isEnum = true;
QListIterator<shared_ptr<MixDevice> > it(_mds);
while ( it.hasNext()) {
shared_ptr<MixDevice> md = it.next();
isEnum &= md->isEnum();
if ( ! isEnum ) break; // Enough. It can't get more false :-)
}
return isEnum;
}
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